Why it matters
Standard polyurethane systems often transmit vibration and impact energy rather than dissipating it. The consequence shows up as user discomfort, noise complaints, fastener fatigue, and premature material failure in the field.
Damping is a viscoelastic property: the polymer has to convert mechanical energy into heat across the temperature and frequency range where the product actually operates. A formulation tuned for a lab bench at 23 °C can be useless on a loading dock at −5 °C or under a 200 Hz motor mount.
How MCPU solves it
MCPU elastomer and binder systems are engineered around the loss factor (tan δ) curve, not just hardness. We position the glass transition and broaden the transition region so energy absorption stays high across your service window, then balance rebound and durability so the part still survives cyclic loading.
Three reasons formulators believe it: the damping response is designed against your measured load case rather than a generic durometer target; the same chemistry holds tear and compression-set performance instead of trading them away for softness; and the systems are pourable, castable, or sprayable on existing process equipment.
Test data & spec snapshot
Representative values — actual performance depends on your formulation. Pilot data available on request.
| Design property | tan δ (loss factor) across service temperature and frequency |
|---|---|
| Hardness range | Shore A through Shore D (custom) |
| Forms | Cast elastomer · pour-in-place · crumb-rubber binder |
| Balance targets | Damping vs rebound vs compression set |
Typical applications
- Athletic surfaces, playground safety surfacing, and gym flooring underlays
- Vibration mounts and isolation pads for heavy equipment
- Footwear midsoles and impact-attenuating inserts
- Acoustic underlayment in multifamily construction